Hiera is nothing, but a key value look up tool, which can be ordered and organized nicely without meddling with the actual code. Just give hiera the data that your modules need, and you are ready to go. “Hiera makes your data separate from the module’s, so that the module code remains untouched. This helps

ISSUE: In the file /etc/lvm/lvm.conf the value of ‘level = x’ has to be set to 3 (lvm errors will be logged to syslog) Further requirements: This only has to be done if the value is different (unless..) ‘level = x’ within comments (#) have to be omitted Only if the value has changed the